How to execute JAR file with arguments from Java Code?

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I have this command:

java -jar trang.jar 5-something.xml 5.1-somethingElse.xsd

I would like to execute this from Java program.

Desktop.getDesktop().open(new File("trang.jar"));

This line executes the program mas without the arguments is useless. There's any way to do what I need?

Posted 11-Jun-11 6:18am

Maxdd 7

Updated 13-Jun-11 1:32am

v2

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2 solutions

Solution 2

java [ options ] -jar file.jar [ argument ... ] by looking at the documentation[^].

Posted 12-Jun-11 18:21pm

Abhinav S

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Maxdd 7 13-Jun-11 7:32am

I know that, it's I forgot to place the "java -jar" in my example but that is kind of obvious. What I want e to place it on the code, instead executing with the command line.

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Peter_in_2780 · Accepted Answer · 2011-06-12T15:52:00

Solution 1

The easiest way is to use Runtime.exec() in one of its various flavours. For what you want to do, it will work fine, but Java purists will shudder at the non-portability.

Runtime.exec("java -jar trang.jar 5-something.xml 5.1-somethingElse.xsd");

Cheers,
Peter
If this answers your question, mark it accepted. Vote anyway.

Posted 12-Jun-11 15:52pm

Peter_in_2780

Comments

Maxdd 7 13-Jun-11 7:33am

Didn't tested but that should work, thank you very much :)

Maxdd 7 13-Jun-11 9:18am

I get that error "“Cannot make a static reference to the non-static method” Any idea ?

Maxdd 7 13-Jun-11 9:32am

Solved with Runtime.getRuntime().exec

Peter_in_2780 13-Jun-11 21:08pm

oops! Forgot the subtle difference between Runtime (the class) and runtime (the instance) in my code I peeked at.